Finite-size scaling analysis of the anisotropic critical behavior of the two-dimensional Ising model under shear

被引:12
|
作者
Winter, D. [1 ]
Virnau, P. [1 ]
Horbach, J. [2 ]
Binder, K. [1 ]
机构
[1] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[2] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Mat Phys Weltraum, D-51170 Cologne, Germany
关键词
PHASE-TRANSITIONS; RENORMALIZATION-GROUP; FIELD-THEORY; SYSTEMS; FLUIDS; STATE;
D O I
10.1209/0295-5075/91/60002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The critical behavior of the two-dimensional Ising Model with non-conserved order parameter in steady-state shear is studied by large-scale Monte Carlo simulations. Studying the structure factor S(q(x), q(y)) in the disordered phase, the ratio of correlation length exponents nu(x)/nu(y) in the two lattice directions (x, y) is estimated, and the critical temperature is determined as a function of the shear rate as gamma as T-c(gamma)-T-c (0) alpha gamma(phi) with phi approximate to 0.45. Critical exponents beta approximate to 0.37, gamma approximate to 1.1, ; nu(perpendicular to) approximate to 0.46, nu(vertical bar vertical bar) approximate to 1.38 are roughly compatible with anisotropic hyperscaling. Copyright (C) EPLA, 2010
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页数:6
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